/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014 Magister Solutions Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Sami Rantanen <sami.rantanen@magister.fi>
 */

#include "satellite-simple-channel.h"

#include "satellite-simple-net-device.h"

#include <ns3/log.h>
#include <ns3/node.h>
#include <ns3/packet.h>
#include <ns3/simulator.h>

#include <cstddef>
#include <vector>

NS_LOG_COMPONENT_DEFINE("SatSimpleChannel");

namespace ns3
{

NS_OBJECT_ENSURE_REGISTERED(SatSimpleChannel);

TypeId
SatSimpleChannel::GetTypeId(void)
{
    static TypeId tid =
        TypeId("ns3::SatSimpleChannel").SetParent<Channel>().AddConstructor<SatSimpleChannel>();
    return tid;
}

SatSimpleChannel::SatSimpleChannel()
{
    NS_LOG_FUNCTION(this);
}

void
SatSimpleChannel::Send(Ptr<Packet> p,
                       uint16_t protocol,
                       Mac48Address to,
                       Mac48Address from,
                       Ptr<SatSimpleNetDevice> sender)
{
    NS_LOG_FUNCTION(this << p << protocol << to << from << sender);
    for (std::vector<Ptr<SatSimpleNetDevice>>::const_iterator i = m_devices.begin();
         i != m_devices.end();
         ++i)
    {
        Ptr<SatSimpleNetDevice> device = *i;

        if (device != sender)
        {
            Simulator::ScheduleWithContext(device->GetNode()->GetId(),
                                           Seconds(0),
                                           &SatSimpleNetDevice::Receive,
                                           device,
                                           p->Copy(),
                                           protocol,
                                           to,
                                           from);
        }
    }
}

void
SatSimpleChannel::Add(Ptr<SatSimpleNetDevice> device)
{
    NS_LOG_FUNCTION(this << device);
    m_devices.push_back(device);
}

std::size_t
SatSimpleChannel::GetNDevices(void) const
{
    NS_LOG_FUNCTION(this);
    return m_devices.size();
}

Ptr<NetDevice>
SatSimpleChannel::GetDevice(std::size_t i) const
{
    NS_LOG_FUNCTION(this << i);
    return m_devices[i];
}

} // namespace ns3
